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New 0343557 Bolt Self-Locking Replacement suitable for Caterpillar Equipment
- New Bolt Self-Locking Replacement suitable for Caterpillar Equipment
- Made to USA Specification
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Description for 343557 Self-locking Bolt
â–¶Specification for 343557 Self-locking Bolt
â–¶Exact Fit Guarantee for 343557 Self-locking Bolt
â–¶| Dimensions | 14.57x5.12x5.12 |
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I have ordered from here a lot over the last couple years. Customer service has been great! Best place to get pins and bushings for your buckets! I will order from here again.
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Great affordable option for aftermarket parts
Found Propel Parts while looking for parts to repair a D6C dozer that has been sitting for 20 years. Great parts, great prices, fast shipping and excellent customer service. -
Great prices prompt courteous customer service and fast shipping.
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perfect service
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This is a great company to work with. Our sales associate Anthony quickly located the correct part and sent it out right away.
Frequently Asked Questions
What is the 0343557 bolt used for?
The 0343557 is a fastening bolt that secures parts on Caterpillar equipment, providing the clamp load that keeps a joint tight in service.
How do I install the 0343557 bolt?
A reliable installation of the 0343557 starts with inspection and ends with verification. Follow this process:
- Shut the machine down and isolate power before service
- Clean the threads and mating faces so debris doesn’t affect clamp load
- Inspect the threaded bore and the 0343557 for damage
- Start the bolt by hand to avoid cross-threading
- Torque it to the value and sequence listed in your service manual
- Re-check torque after the first operating cycle if the manual advises
Which Caterpillar machines is the 0343557 compatible with?
Fitment for the 0343557 depends on your specific Caterpillar model and the assembly it serves, so confirm the application before you order. Please reach out to Propel Parts for help verifying fitment.
Does the 0343557 bolt meet performance standards?
Yes. The 0343557 is manufactured to meet OEM specifications for tolerance and material quality. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications for dependable, long-term performance.
How often should the 0343557 be replaced?
Plan to replace the 0343557 during a rebuild of the surrounding components, or sooner if inspection shows it is past its serviceable limit. The 9D7989 Wheel Nut W Wash is often renewed during the same service, so many technicians replace both at once to reduce downtime.
What are the signs of a worn or failing 0343557 bolt?
Catching a failing 0343557 early prevents wider damage. The common warning signs include:
- Loss of torque or a slowly loosening joint
- Stripped, galled, or corroded threads
- Visible stretching or a necked-down shank
- Movement, fretting, or leaks at the joint
Why is the 0343557 bolt important, and what related part is commonly replaced with it?
Keeping the 0343557 in good condition protects the components around it and supports smooth, reliable operation. Maintaining the assembly with parts that meet OEM specifications helps you avoid unplanned downtime. For a complete repair, the 5B3850 Washer is another component from the same assembly that is commonly replaced at the same time.
Shipping
We know equipment downtime costs money, so fast and reliable shipping is a priority at Propel Parts. Orders placed on weekdays before 3:00 PM ET typically ship the same day, with expedited delivery options available for many locations when time is critical.
We ship across the U.S., Canada, and over 130 countries worldwide, helping customers keep machines running wherever they operate. Available shipping methods and delivery estimates are shown at checkout so you can select the option that best fits your timeline.
Tracking information is emailed within 24–48 hours after your order is processed, giving you full visibility from dispatch to delivery and peace of mind that your parts are on the way.
Easy Returns
Our refund policy is simple. We offer a 30-day, no-hassle return policy, and we make every effort to provide the best service and highest-quality parts possible. If you’re not fully satisfied with your purchase, you may return it within 30 days for a refund. Full details are available on our Returns Policy page.
Warranty
Buy with confidence. All parts from Propel Parts are covered against material or manufacturer defects for 12 months from the original invoice date. We stand behind every part we sell, so you can count on reliable performance and dependable support. Full details are available on our Warranty Policy page.
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